🚀 POS-NEXT-NEST Project (BackEnd)

🛠 Technologies Used

This project is the backend of a Point of Sale (POS) system built using NestJS. The backend is developed with NestJS, leveraging modern tools and libraries for efficient development, database management, and API creation.

---

🖥 Backend - NestJS

This project is the backend of a Point of Sale (POS) system built using NestJS. The backend is developed with NestJS, leveraging modern tools and libraries for efficient development, database management, and API creation.

📦 Main Dependencies

{
 "@nestjs/common": "^10.0.0",
  "@nestjs/config": "^3.3.0",
  "@nestjs/core": "^10.0.0",
  "@nestjs/jwt": "^10.2.0",
  "@nestjs/mapped-types": "*",
  "@nestjs/platform-express": "^10.0.0",
  "@nestjs/typeorm": "^10.0.2",
  "bcryptjs": "^2.4.3",
  "class-transformer": "^0.5.1",
  "class-validator": "^0.14.1",
  "cloudinary": "^2.5.1",
  "date-fns": "^4.1.0",
  "pg": "^8.13.1",
  "reflect-metadata": "^0.2.0",
  "rxjs": "^7.8.1",
  "streamifier": "^0.1.1",
  "typeorm": "^0.3.20"
}

📦 Develop Dependencies

{
 "@nestjs/cli": "^10.0.0",
  "@nestjs/schematics": "^10.0.0",
  "@nestjs/testing": "^10.0.0",
  "@types/express": "^5.0.0",
  "@types/jest": "^29.5.2",
  "@types/multer": "^1.4.12",
  "@types/node": "^20.3.1",
  "@types/streamifier": "^0.1.2",
  "@types/supertest": "^6.0.0",
  "@typescript-eslint/eslint-plugin": "^8.0.0",
  "@typescript-eslint/parser": "^8.0.0",
  "eslint": "^8.0.0",
  "eslint-config-prettier": "^9.0.0",
  "eslint-plugin-prettier": "^5.0.0",
  "jest": "^29.5.0",
  "prettier": "^3.0.0",
  "source-map-support": "^0.5.21",
  "supertest": "^7.0.0",
  "ts-jest": "^29.1.0",
  "ts-loader": "^9.4.3",
  "ts-node": "^10.9.1",
  "tsconfig-paths": "^4.2.0",
  "typescript": "^5.1.3"
}

---

✅ Key Features

• Authentication: Implements JWT-based authentication using @nestjs/jwt and bcryptjs for secure password hashing.
• Database Management: Uses TypeORM with PostgreSQL for efficient database interactions.
• File Uploads: Integrates Cloudinary and Multer for handling file uploads.
• Validation: Utilizes class-validator and class-transformer for robust request validation.
• Configuration Management: Leverages @nestjs/config for environment variable management.
• Testing: Includes Jest and Supertest for unit and end-to-end testing.

---

📌 Installation & Setup

Install dependencies

npm install

Run project in development environment

npm run start:dev

Build the Project

npm run build

Start the production server

npm run start:prod

---

📜 License

This project is licensed under the MIT license.

---

✨ Developed with passion by eluisdev